// Copyright (c) 2010 The Chromium Embedded Framework Authors. All rights // reserved. Use of this source code is governed by a BSD-style license that // can be found in the LICENSE file. #include "include/cef.h" #include "include/cef_wrapper.h" #include "cefclient.h" #include "binding_test.h" #include "extension_test.h" #include "plugin_test.h" #include "resource.h" #include "resource_util.h" #include "scheme_test.h" #include "string_util.h" #include "uiplugin_test.h" #include #include #include #define MAX_LOADSTRING 100 #define MAX_URL_LENGTH 255 #define BUTTON_WIDTH 72 #define URLBAR_HEIGHT 24 // Define this value to run CEF with messages processed using the current // application's message loop. #define TEST_SINGLE_THREADED_MESSAGE_LOOP // Global Variables: HINSTANCE hInst; // current instance TCHAR szTitle[MAX_LOADSTRING]; // The title bar text TCHAR szWindowClass[MAX_LOADSTRING]; // the main window class name char szWorkingDir[MAX_PATH]; // The current working directory UINT uFindMsg; // Message identifier for find events. HWND hFindDlg = NULL; // Handle for the find dialog. // Forward declarations of functions included in this code module: ATOM MyRegisterClass(HINSTANCE hInstance); BOOL InitInstance(HINSTANCE, int); LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM); INT_PTR CALLBACK About(HWND, UINT, WPARAM, LPARAM); // The global ClientHandler reference. extern CefRefPtr g_handler; #ifdef _WIN32 // Add Common Controls to the application manifest because it's required to // support the default tooltip implementation. #pragma comment(linker,"/manifestdependency:\"type='win32' name='Microsoft.Windows.Common-Controls' version='6.0.0.0' processorArchitecture='*' publicKeyToken='6595b64144ccf1df' language='*'\"") #endif // Program entry point function. int APIENTRY wWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPTSTR lpCmdLine, int nCmdShow) { UNREFERENCED_PARAMETER(hPrevInstance); UNREFERENCED_PARAMETER(lpCmdLine); // Retrieve the current working directory. if(_getcwd(szWorkingDir, MAX_PATH) == NULL) szWorkingDir[0] = 0; CefSettings settings; CefBrowserSettings browserDefaults; // Specify a cache path value. //CefString(&settings.cache_path).FromASCII("c:\\temp\\cache"); // Disable accelerated compositing to view HTML5 video. //browserDefaults.accelerated_compositing_disabled = true; #ifdef TEST_SINGLE_THREADED_MESSAGE_LOOP // Initialize the CEF with messages processed using the current application's // message loop. settings.multi_threaded_message_loop = false; #else // Initialize the CEF with messages processed using a separate UI thread. settings.multi_threaded_message_loop = true; #endif CefInitialize(settings, browserDefaults); // Register the internal client plugin. InitPluginTest(); // Register the internal UI client plugin. InitUIPluginTest(); // Register the V8 extension handler. InitExtensionTest(); // Register the scheme handler. InitSchemeTest(); MSG msg; HACCEL hAccelTable; // Initialize global strings LoadString(hInstance, IDS_APP_TITLE, szTitle, MAX_LOADSTRING); LoadString(hInstance, IDC_CEFCLIENT, szWindowClass, MAX_LOADSTRING); MyRegisterClass(hInstance); // Perform application initialization if (!InitInstance (hInstance, nCmdShow)) { return FALSE; } hAccelTable = LoadAccelerators(hInstance, MAKEINTRESOURCE(IDC_CEFCLIENT)); // Register the find event message. uFindMsg = RegisterWindowMessage(FINDMSGSTRING); // Main message loop while (GetMessage(&msg, NULL, 0, 0)) { #ifdef TEST_SINGLE_THREADED_MESSAGE_LOOP // Allow the CEF to do its message loop processing. CefDoMessageLoopWork(); #endif // Allow processing of find dialog messages. if(hFindDlg && IsDialogMessage(hFindDlg, &msg)) continue; if (!TranslateAccelerator(msg.hwnd, hAccelTable, &msg)) { TranslateMessage(&msg); DispatchMessage(&msg); } } // Shut down the CEF CefShutdown(); return (int) msg.wParam; } // // FUNCTION: MyRegisterClass() // // PURPOSE: Registers the window class. // // COMMENTS: // // This function and its usage are only necessary if you want this code // to be compatible with Win32 systems prior to the 'RegisterClassEx' // function that was added to Windows 95. It is important to call this // function so that the application will get 'well formed' small icons // associated with it. // ATOM MyRegisterClass(HINSTANCE hInstance) { WNDCLASSEX wcex; wcex.cbSize = sizeof(WNDCLASSEX); wcex.style = CS_HREDRAW | CS_VREDRAW; wcex.lpfnWndProc = WndProc; wcex.cbClsExtra = 0; wcex.cbWndExtra = 0; wcex.hInstance = hInstance; wcex.hIcon = LoadIcon(hInstance, MAKEINTRESOURCE(IDI_CEFCLIENT)); wcex.hCursor = LoadCursor(NULL, IDC_ARROW); wcex.hbrBackground = (HBRUSH)(COLOR_WINDOW+1); wcex.lpszMenuName = MAKEINTRESOURCE(IDC_CEFCLIENT); wcex.lpszClassName = szWindowClass; wcex.hIconSm = LoadIcon(wcex.hInstance, MAKEINTRESOURCE(IDI_SMALL)); return RegisterClassEx(&wcex); } // // FUNCTION: InitInstance(HINSTANCE, int) // // PURPOSE: Saves instance handle and creates main window // // COMMENTS: // // In this function, we save the instance handle in a global variable and // create and display the main program window. // BOOL InitInstance(HINSTANCE hInstance, int nCmdShow) { HWND hWnd; hInst = hInstance; // Store instance handle in our global variable hWnd = CreateWindow(szWindowClass, szTitle, WS_OVERLAPPEDWINDOW | WS_CLIPCHILDREN, CW_USEDEFAULT, 0, CW_USEDEFAULT, 0, NULL, NULL, hInstance, NULL); if (!hWnd) { return FALSE; } ShowWindow(hWnd, nCmdShow); UpdateWindow(hWnd); return TRUE; } // // FUNCTION: WndProc(HWND, UINT, WPARAM, LPARAM) // // PURPOSE: Processes messages for the main window. // LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam) { static HWND backWnd = NULL, forwardWnd = NULL, reloadWnd = NULL, stopWnd = NULL, editWnd = NULL; static WNDPROC editWndOldProc = NULL; // Static members used for the find dialog. static FINDREPLACE fr; static WCHAR szFindWhat[80] = {0}; static WCHAR szLastFindWhat[80] = {0}; static bool findNext = false; static bool lastMatchCase = false; int wmId, wmEvent; PAINTSTRUCT ps; HDC hdc; if(hWnd == editWnd) { // Callback for the edit window switch (message) { case WM_CHAR: if (wParam == VK_RETURN && g_handler.get()) { // When the user hits the enter key load the URL CefRefPtr browser = g_handler->GetBrowser(); wchar_t strPtr[MAX_URL_LENGTH] = {0}; *((LPWORD)strPtr) = MAX_URL_LENGTH; LRESULT strLen = SendMessage(hWnd, EM_GETLINE, 0, (LPARAM)strPtr); if (strLen > 0) { strPtr[strLen] = 0; browser->GetMainFrame()->LoadURL(strPtr); } return 0; } } return (LRESULT)CallWindowProc(editWndOldProc, hWnd, message, wParam, lParam); } else if (message == uFindMsg) { // Find event. LPFINDREPLACE lpfr = (LPFINDREPLACE)lParam; if (lpfr->Flags & FR_DIALOGTERM) { // The find dialog box has been dismissed so invalidate the handle and // reset the search results. hFindDlg = NULL; if(g_handler.get()) { g_handler->GetBrowser()->StopFinding(true); szLastFindWhat[0] = 0; findNext = false; } return 0; } if ((lpfr->Flags & FR_FINDNEXT) && g_handler.get()) { // Search for the requested string. bool matchCase = (lpfr->Flags & FR_MATCHCASE?true:false); if(matchCase != lastMatchCase || (matchCase && wcsncmp(szFindWhat, szLastFindWhat, sizeof(szLastFindWhat)/sizeof(WCHAR)) != 0) || (!matchCase && _wcsnicmp(szFindWhat, szLastFindWhat, sizeof(szLastFindWhat)/sizeof(WCHAR)) != 0)) { // The search string has changed, so reset the search results. if(szLastFindWhat[0] != 0) { g_handler->GetBrowser()->StopFinding(true); findNext = false; } lastMatchCase = matchCase; wcscpy_s(szLastFindWhat, sizeof(szLastFindWhat)/sizeof(WCHAR), szFindWhat); } g_handler->GetBrowser()->Find(0, lpfr->lpstrFindWhat, (lpfr->Flags & FR_DOWN)?true:false, matchCase, findNext); if(!findNext) findNext = true; } return 0; } else { // Callback for the main window switch (message) { case WM_CREATE: { // Create the single static handler class instance g_handler = new ClientHandler(); g_handler->SetMainHwnd(hWnd); // Create the child windows used for navigation RECT rect; int x = 0; GetClientRect(hWnd, &rect); backWnd = CreateWindow(L"BUTTON", L"Back", WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON | WS_DISABLED, x, 0, BUTTON_WIDTH, URLBAR_HEIGHT, hWnd, (HMENU) IDC_NAV_BACK, hInst, 0); x += BUTTON_WIDTH; forwardWnd = CreateWindow(L"BUTTON", L"Forward", WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON | WS_DISABLED, x, 0, BUTTON_WIDTH, URLBAR_HEIGHT, hWnd, (HMENU) IDC_NAV_FORWARD, hInst, 0); x += BUTTON_WIDTH; reloadWnd = CreateWindow(L"BUTTON", L"Reload", WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON | WS_DISABLED, x, 0, BUTTON_WIDTH, URLBAR_HEIGHT, hWnd, (HMENU) IDC_NAV_RELOAD, hInst, 0); x += BUTTON_WIDTH; stopWnd = CreateWindow(L"BUTTON", L"Stop", WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON | WS_DISABLED, x, 0, BUTTON_WIDTH, URLBAR_HEIGHT, hWnd, (HMENU) IDC_NAV_STOP, hInst, 0); x += BUTTON_WIDTH; editWnd = CreateWindow(L"EDIT", 0, WS_CHILD | WS_VISIBLE | WS_BORDER | ES_LEFT | ES_AUTOVSCROLL | ES_AUTOHSCROLL| WS_DISABLED, x, 0, rect.right - BUTTON_WIDTH * 4, URLBAR_HEIGHT, hWnd, 0, hInst, 0); // Assign the edit window's WNDPROC to this function so that we can // capture the enter key editWndOldProc = reinterpret_cast(GetWindowLongPtr(editWnd, GWLP_WNDPROC)); SetWindowLongPtr(editWnd, GWLP_WNDPROC, reinterpret_cast(WndProc)); g_handler->SetEditHwnd(editWnd); rect.top += URLBAR_HEIGHT; CefWindowInfo info; // Initialize window info to the defaults for a child window info.SetAsChild(hWnd, rect); // Creat the new child child browser window CefBrowser::CreateBrowser(info, false, static_cast >(g_handler), "http://www.google.com"); // Start the timer that will be used to update child window state SetTimer(hWnd, 1, 250, NULL); } return 0; case WM_TIMER: if(g_handler.get() && g_handler->GetBrowserHwnd()) { // Retrieve the current navigation state bool isLoading, canGoBack, canGoForward; g_handler->GetNavState(isLoading, canGoBack, canGoForward); // Update the status of child windows EnableWindow(editWnd, TRUE); EnableWindow(backWnd, canGoBack); EnableWindow(forwardWnd, canGoForward); EnableWindow(reloadWnd, !isLoading); EnableWindow(stopWnd, isLoading); } return 0; case WM_COMMAND: { CefRefPtr browser; if(g_handler.get()) browser = g_handler->GetBrowser(); wmId = LOWORD(wParam); wmEvent = HIWORD(wParam); // Parse the menu selections: switch (wmId) { case IDM_ABOUT: DialogBox(hInst, MAKEINTRESOURCE(IDD_ABOUTBOX), hWnd, About); return 0; case IDM_EXIT: DestroyWindow(hWnd); return 0; case ID_WARN_CONSOLEMESSAGE: if(g_handler.get()) { std::wstringstream ss; ss << L"Console messages will be written to " << std::wstring(CefString(g_handler->GetLogFile())); MessageBox(hWnd, ss.str().c_str(), L"Console Messages", MB_OK | MB_ICONINFORMATION); } return 0; case ID_WARN_DOWNLOADCOMPLETE: case ID_WARN_DOWNLOADERROR: if(g_handler.get()) { std::wstringstream ss; ss << L"File \"" << std::wstring(CefString(g_handler->GetLastDownloadFile())) << L"\" "; if(wmId == ID_WARN_DOWNLOADCOMPLETE) ss << L"downloaded successfully."; else ss << L"failed to download."; MessageBox(hWnd, ss.str().c_str(), L"File Download", MB_OK | MB_ICONINFORMATION); } return 0; case ID_FIND: if(!hFindDlg) { // Create the find dialog. ZeroMemory(&fr, sizeof(fr)); fr.lStructSize = sizeof(fr); fr.hwndOwner = hWnd; fr.lpstrFindWhat = szFindWhat; fr.wFindWhatLen = sizeof(szFindWhat); fr.Flags = FR_HIDEWHOLEWORD | FR_DOWN; hFindDlg = FindText(&fr); } else { // Give focus to the existing find dialog. ::SetFocus(hFindDlg); } return 0; case ID_PRINT: if(browser.get()) browser->GetMainFrame()->Print(); return 0; case IDC_NAV_BACK: // Back button if(browser.get()) browser->GoBack(); return 0; case IDC_NAV_FORWARD: // Forward button if(browser.get()) browser->GoForward(); return 0; case IDC_NAV_RELOAD: // Reload button if(browser.get()) browser->Reload(); return 0; case IDC_NAV_STOP: // Stop button if(browser.get()) browser->StopLoad(); return 0; case ID_TESTS_GETSOURCE: // Test the GetSource function if(browser.get()) { #ifdef TEST_SINGLE_THREADED_MESSAGE_LOOP RunGetSourceTest(browser->GetMainFrame()); #else // !TEST_SINGLE_THREADED_MESSAGE_LOOP // Execute the GetSource() call on the FILE thread to avoid blocking // the UI thread when using a multi-threaded message loop // (issue #79). class ExecTask : public CefThreadSafeBase { public: ExecTask(CefRefPtr frame) : m_Frame(frame) {} virtual void Execute(CefThreadId threadId) { RunGetSourceTest(m_Frame); } private: CefRefPtr m_Frame; }; CefPostTask(TID_FILE, new ExecTask(browser->GetMainFrame())); #endif // !TEST_SINGLE_THREADED_MESSAGE_LOOP } return 0; case ID_TESTS_GETTEXT: // Test the GetText function if(browser.get()) { #ifdef TEST_SINGLE_THREADED_MESSAGE_LOOP RunGetTextTest(browser->GetMainFrame()); #else // !TEST_SINGLE_THREADED_MESSAGE_LOOP // Execute the GetText() call on the FILE thread to avoid blocking // the UI thread when using a multi-threaded message loop // (issue #79). class ExecTask : public CefThreadSafeBase { public: ExecTask(CefRefPtr frame) : m_Frame(frame) {} virtual void Execute(CefThreadId threadId) { RunGetTextTest(m_Frame); } private: CefRefPtr m_Frame; }; CefPostTask(TID_FILE, new ExecTask(browser->GetMainFrame())); #endif // !TEST_SINGLE_THREADED_MESSAGE_LOOP } return 0; case ID_TESTS_JAVASCRIPT_BINDING: // Test the V8 binding handler if(browser.get()) RunBindingTest(browser); return 0; case ID_TESTS_JAVASCRIPT_EXTENSION: // Test the V8 extension handler if(browser.get()) RunExtensionTest(browser); return 0; case ID_TESTS_JAVASCRIPT_EXECUTE: // Test execution of javascript if(browser.get()) RunJavaScriptExecuteTest(browser); return 0; case ID_TESTS_PLUGIN: // Test the custom plugin if(browser.get()) RunPluginTest(browser); return 0; case ID_TESTS_POPUP: // Test a popup window if(browser.get()) RunPopupTest(browser); return 0; case ID_TESTS_REQUEST: // Test a request if(browser.get()) RunRequestTest(browser); return 0; case ID_TESTS_SCHEME_HANDLER: // Test the scheme handler if(browser.get()) RunSchemeTest(browser); return 0; case ID_TESTS_UIAPP: // Test the UI app if(browser.get()) RunUIPluginTest(browser); return 0; case ID_TESTS_LOCALSTORAGE: // Test localStorage if(browser.get()) RunLocalStorageTest(browser); return 0; case ID_TESTS_ACCELERATED2DCANVAS: // Test accelerated 2d canvas if(browser.get()) RunAccelerated2DCanvasTest(browser); return 0; case ID_TESTS_ACCELERATEDLAYERS: // Test accelerated layers if(browser.get()) RunAcceleratedLayersTest(browser); return 0; case ID_TESTS_WEBGL: // Test WebGL if(browser.get()) RunWebGLTest(browser); return 0; case ID_TESTS_HTML5VIDEO: // Test HTML5 video if(browser.get()) RunHTML5VideoTest(browser); return 0; } } break; case WM_PAINT: hdc = BeginPaint(hWnd, &ps); EndPaint(hWnd, &ps); return 0; case WM_SETFOCUS: if(g_handler.get() && g_handler->GetBrowserHwnd()) { // Pass focus to the browser window PostMessage(g_handler->GetBrowserHwnd(), WM_SETFOCUS, wParam, NULL); } return 0; case WM_SIZE: if(g_handler.get() && g_handler->GetBrowserHwnd()) { // Resize the browser window and address bar to match the new frame // window size RECT rect; GetClientRect(hWnd, &rect); rect.top += URLBAR_HEIGHT; int urloffset = rect.left + BUTTON_WIDTH * 4; HDWP hdwp = BeginDeferWindowPos(1); hdwp = DeferWindowPos(hdwp, editWnd, NULL, urloffset, 0, rect.right - urloffset, URLBAR_HEIGHT, SWP_NOZORDER); hdwp = DeferWindowPos(hdwp, g_handler->GetBrowserHwnd(), NULL, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, SWP_NOZORDER); EndDeferWindowPos(hdwp); } break; case WM_ERASEBKGND: if(g_handler.get() && g_handler->GetBrowserHwnd()) { // Dont erase the background if the browser window has been loaded // (this avoids flashing) return 0; } break; case WM_DESTROY: // The frame window has exited KillTimer(hWnd, 1); PostQuitMessage(0); return 0; } return DefWindowProc(hWnd, message, wParam, lParam); } } // Message handler for about box. INT_PTR CALLBACK About(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam) { UNREFERENCED_PARAMETER(lParam); switch (message) { case WM_INITDIALOG: return (INT_PTR)TRUE; case WM_COMMAND: if (LOWORD(wParam) == IDOK || LOWORD(wParam) == IDCANCEL) { EndDialog(hDlg, LOWORD(wParam)); return (INT_PTR)TRUE; } break; } return (INT_PTR)FALSE; } // ClientHandler implementation CefHandler::RetVal ClientHandler::HandleAddressChange( CefRefPtr browser, CefRefPtr frame, const CefString& url) { if(m_BrowserHwnd == browser->GetWindowHandle() && frame->IsMain()) { // Set the edit window text SetWindowText(m_EditHwnd, std::wstring(url).c_str()); } return RV_CONTINUE; } CefHandler::RetVal ClientHandler::HandleTitleChange( CefRefPtr browser, const CefString& title) { // Set the frame window title bar CefWindowHandle hwnd = browser->GetWindowHandle(); if(!browser->IsPopup()) { // The frame window will be the parent of the browser window hwnd = GetParent(hwnd); } SetWindowText(hwnd, std::wstring(title).c_str()); return RV_CONTINUE; } CefHandler::RetVal ClientHandler::HandleBeforeResourceLoad( CefRefPtr browser, CefRefPtr request, CefString& redirectUrl, CefRefPtr& resourceStream, CefString& mimeType, int loadFlags) { DWORD dwSize; LPBYTE pBytes; std::string url = request->GetURL(); if(url == "http://tests/request") { // Show the request contents std::string dump; DumpRequestContents(request, dump); resourceStream = CefStreamReader::CreateForData((void*)dump.c_str(), dump.size()); mimeType = "text/plain"; } else if(url == "http://tests/uiapp") { // Show the uiapp contents if(LoadBinaryResource(IDS_UIPLUGIN, dwSize, pBytes)) { resourceStream = CefStreamReader::CreateForHandler( new CefByteReadHandler(pBytes, dwSize, NULL)); mimeType = "text/html"; } } else if(url == "http://tests/localstorage") { // Show the localstorage contents if(LoadBinaryResource(IDS_LOCALSTORAGE, dwSize, pBytes)) { resourceStream = CefStreamReader::CreateForHandler( new CefByteReadHandler(pBytes, dwSize, NULL)); mimeType = "text/html"; } } else if(strstr(url.c_str(), "/ps_logo2.png") != NULL) { // Any time we find "ps_logo2.png" in the URL substitute in our own image if(LoadBinaryResource(IDS_LOGO, dwSize, pBytes)) { resourceStream = CefStreamReader::CreateForHandler( new CefByteReadHandler(pBytes, dwSize, NULL)); mimeType = "image/png"; } } else if(strstr(url.c_str(), "/logoball.png") != NULL) { // Load the "logoball.png" image resource. if(LoadBinaryResource(IDS_LOGOBALL, dwSize, pBytes)) { resourceStream = CefStreamReader::CreateForHandler( new CefByteReadHandler(pBytes, dwSize, NULL)); mimeType = "image/png"; } } return RV_CONTINUE; } void ClientHandler::SendNotification(NotificationType type) { UINT id; switch(type) { case NOTIFY_CONSOLE_MESSAGE: id = ID_WARN_CONSOLEMESSAGE; break; case NOTIFY_DOWNLOAD_COMPLETE: id = ID_WARN_DOWNLOADCOMPLETE; break; case NOTIFY_DOWNLOAD_ERROR: id = ID_WARN_DOWNLOADERROR; break; default: return; } PostMessage(m_MainHwnd, WM_COMMAND, id, 0); } // Global functions std::string AppGetWorkingDirectory() { return szWorkingDir; }